//
//  Copyright (c) 2010, 2011 TumblrKit
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

#import "NSString+TumblrKit.h"

@implementation NSString (TumblrKit)

- (NSString *)stringByAddingQueryPercentEscapesUsingEncoding:(NSStringEncoding)encoding
{
    NSString *result = (__bridge_transfer NSString *)CFURLCreateStringByAddingPercentEscapes(
        NULL,
        (__bridge_retained CFStringRef)[self mutableCopy],
        NULL,
        CFSTR("￼=,!$&'()*+;@?\n\"<>#\t :/"),
        kCFStringEncodingUTF8);
    return result;
}

+ (NSString *)MIMEBoundary
{
    static NSString *MIMEBoundary = nil;

    if (!MIMEBoundary) {
        MIMEBoundary = [[NSString alloc] initWithFormat:
        @"----_=_MIMEBoundary_%@_=_----",
            [[NSProcessInfo processInfo] globallyUniqueString]];
    }

    return MIMEBoundary;
}

@end
